It is difficult to cook vegetables on hills and mountains. Explain the reason.

Q: A 12-kg iron ball is dropped onto a pavement from a height of 130 m . Suppose that half of the heat…

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Q: Why does snow remain on mountain slopes even when daytime temperatures are higher than the freezing…

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Q: The temperature of the sand in the land increases more quickly than that of the water in the sea.…

A: The temperature of the sand in the land increases more quickly than that of the water in the sea.…

Q: A crate of fruit with a mass of 32.5 kg and a specific heat capacity of 3650 J/(kg K) slides 8.80 m…

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Q: 5 mole of methane gas inside balloon, gain heat by 1850 j , his temp increased 40 degrees in (…

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Q: A person doesn't want to gain more weight. However, he decides to eat a meal of 10,000 Calories and…

A: Given Data The meal contains 10000 Cal=10000 Cal×4.19 J1 Cal=41900 J The person climbs a height of…

Q: At night, the surface of the earth cools, mostly by radiation. The surface radiates energy upward;…

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Q: How is the energy value of foods determined?

A: The amount heat released  by burning these substances (food) in a calorie-meter is the energy of…

Q: If you could use any source of energy for heating your food, which one would you use and why?

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Q: A can of cola from the united states contains 180 Cal and a can containing the same amount of cola…

A: A can of cola from United States contains 180 cal and a can contains same amount of cola from…

Q: Given the parameters below, estimate the percent outside air in this simple single zone heating…

A: Outside air temperature= 5 C Return air temperature= 22 C Mixed air temperature = 18.3 C

Q: Why do farmers fill their fields with water on a cold winter night?

A: Water flows through the fine capillary veins of the plants. If the temperature on a cold winter…

Q: On a brisk walk, a person burns about 331 Cal/h. If the brisk walk were done at 3.5 mi/h, how far…

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Q: Nome is a coastal community in Western Alaska. The average daily low temperature in January is…

A: Given Lowest temperature in Nome is -11oC Lowest temperature in Fairbanks is -24oC

Q: Why do Eskimos build double walled houses of blocks of ice?

A: The Eskimos build double walled houses in order to keep the interior of their houses warm.

Q: (SOLUTION IS REQUIRED) 8.00 watts of heat is conducted through a 1.00 sq. m of a 10.0-cm thick…

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Q: 200g of water at 50°C in a 80g glass are added to 10g of ice at 0°C. Solve for the final temperature…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 7.  The zeroth law of thermodynamics relates to: three objects with different heat energy three…

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Q: A person with skin of surface area 1.85 m2 and temperature 30.0°C is resting in an insulated room…

A: Area = 1.85 m2 ambient temperature = 20+273= 293 K

Q: A body is at 75 degrees and cools in the surroundings at 25 degrees. At what temperature will its…

A: Given data and information :- Temperature of body T (first case)= 75°Temperature of surroundings T0…

Q: Roofs of the huts are blown up during stormy days. Why?

A: Roofs of the huts are blown up during stormy days because

Q: What should be the temperature of supply air of the all air reheat if the temperature requirement of…

A: Given : Choose correct option about temperature of supply air

Q: If no heat is lost to the environment, what is the specific heat of the cup material? [Hint:…

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Q: Why is it that a tub of water placed in a farmer's canning cellar helps prevent canned food from…

A: Canning cellar is a place build by the farmers to store the foods in cold winters.The water has…

Q: The specific heat of a substance varies with temperature according to c = 0.24 +0.47T+0.049T2, with…

A: Variation of specific heat with temperature : c = 0.24 + 0.47T + 0.049T2 mass (m) = 7.9 g Initial…

Q: Consider 1 kg of water that is heated from -50 °C to 120 °C. The material will have its lowest…

A: Given 1 kg of water is heated from -50 c to 120 c As we increase temperature, the density of…

Q: Choose the BEST answer to the following: The lowest possible temperature is absolute zero, at (a) 0…

A: Absolute zero temperature is the temperature defined at which all kind of molecular motion ceases.…

Q: Specific heat capacity of ice is 0.5 cal/g °C. What will be this value in J/kg °C O a. 8761298 O b.…

A: Dear student 1 calorie is equal to 4.184 Joules. Joule is unit of heat in SI sysyem. And these are…

Q: Based on heat capacity data, Material Iron Heat Capacity (J/g °C) 0.45 Cement Granite Wood 0.88 0.79…

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Q: Why do frying pans have a thick base?

A: A thick base pan has higher mass hence higher heat capacity. A substance with large heat capacity…

Q: 5-kg of iron at 200°C is added to a 3-kg of water at 20°C. What is the resulting equilibrium…

A: Given information:

Q: A pound of body fat stores an amount of chemical energy equivalent to 3,500 Cal. When sleeping, the…

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Q: What is the heat in calories required to raise the temperature of 0.05 kg of water from 0 degrees C…

A: Given data:  Mass (m) = 0.05 kg Initial temperature (Ti) = 0°C Final temperature (Tf) = 100°C…

Q: At 6 a.m. the temperature was -8°F. By noon the temperature was 15°F. The temperature had risen how…

A: Answer            23

Q: Condensation of water in the air is an important process in determining the climate of an area. When…

A: Heat of condensation is just opposite to Heat of vaporization It is the amount of heat released when…

Q: The lower surface of a slab of stone of face-area 3600 cm and thickness 10 cm is exposed to steam at…

A: Given  Area, A = 3600 cm2 = 0.36 m2  Thickness, d = 10 cm  Temperature, T1 = 100° C   Ice at T2= 0°…

Q: Which material will make the best calorimeter? Foam cup O Glass cup O Aluminum can Plastic cup

A: Foam cup is a bad conductor of heat.

Q: How much heat is necessary in kcal to change 15-lb of ice at -30 degrees C to water at 60 degrees C.…

A: Given data- mass of ice m=15 lb 1 lb=0.454 kg so m=15 × 0.454 kg=6.81 kg Lf=80 Kcal/Kg Lv=540…

Q: An aluminum block has a mass of 200g and a temperature of 400°C, it is then dropped into an…

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Q: What is quality? Does it have any meaning in the superheated vapor region?

A: The ratio of the mass of the vapor to the total mass of the mixture is known as quality. It is also…

Q: On a sunny day at the beach, the reason the sand gets so hot and the water stays relatively cool is…

A: On a sunny day at the beach, the reason the sand gets so hot and the water stays relatively cool is.…

Ideal Gas Law

Ideal gas law states that the product of pressure and volume of a gas directly varies with the product of the number of moles, the universal gas constant, and the temperature of the gas.